Finding the Fourth Proportional to 2,842.02, 3,920.85 and 2,097.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.02 : 3,920.85 = 2,097.72 : x
2. Step 2: Convert to fraction form
   2,842.02/3,920.85 = 2,097.72/x
3. Step 3: Cross multiply
   2,842.02x = 3,920.85 × 2,097.72
4. Step 4: Simplify right side
   2,842.02x = 8,224,845.46
5. Step 5: Solve for x
   x = 8,224,845.46/2,842.02
6. Step 6: Final answer
   x = 2,894.01